MISC: add example ignored by git

doc/source/examples/00_EDB/00_create_via.mystnb

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+---
+jupytext:
+  text_representation:
+    extension: .mystnb
+    format_name: myst
+    format_version: 0.13
+    jupytext_version: 1.14.1
+kernelspec:
+  display_name: Python 3 (ipykernel)
+  language: python
+  name: python3
+---
+
+# EDB: geometry creation
+
+This example shows how you can use EDB to create a layout.
+
++++
+
+## Final expected project
+
+![Differential vias](../../_static/diff_via.png){ width=600 }
+
+## Import EDB layout object
+
+```{code-cell} ipython3
+# Complex Fluent API Sketch - PCB
+
+import time
+import os
+import pyaedt
+
+start = time.time()
+
+aedb_path = os.path.join(pyaedt.generate_unique_folder_name(), pyaedt.generate_unique_name("pcb") + ".aedb")
+print(aedb_path)
+edb = pyaedt.Edb(edbpath=aedb_path, edbversion="2023.2")
+```
+
++++
+
+## Add stackup layers
+
+Add stackup layers.
+A stackup can be created layer by layer or imported from a csv file or xml file.
+
+```{code-cell} ipython3
+edb.stackup.add_layer("GND")
+edb.stackup.add_layer("Diel", "GND", layer_type="dielectric", thickness="0.1mm", material="FR4_epoxy")
+edb.stackup.add_layer("TOP", "Diel", thickness="0.05mm")
+```
+
+
+## Create a signal net and ground planes
+
+```{code-cell} ipython3
+points = [
+    [0.0, 0],
+    [100e-3, 0.0],
+]
+edb.modeler.create_trace(points, "TOP", width=1e-3)
+points = [[0.0, 1e-3], [0.0, 10e-3], [100e-3, 10e-3], [100e-3, 1e-3], [0.0, 1e-3]]
+edb.modeler.create_polygon(points, "TOP")
+
+points = [[0.0, -1e-3], [0.0, -10e-3], [100e-3, -10e-3], [100e-3, -1e-3], [0.0, -1e-3]]
+edb.modeler.create_polygon(points, "TOP")
+```
+
+
+## Create vias with parametric positions
+
+```{code-cell} ipython3
+edb.padstacks.create("MyVia")
+edb.padstacks.place([5e-3, 5e-3], "MyVia")
+edb.padstacks.place([15e-3, 5e-3], "MyVia")
+edb.padstacks.place([35e-3, 5e-3], "MyVia")
+edb.padstacks.place([45e-3, 5e-3], "MyVia")
+edb.padstacks.place([5e-3, -5e-3], "MyVia")
+edb.padstacks.place([15e-3, -5e-3], "MyVia")
+edb.padstacks.place([35e-3, -5e-3], "MyVia")
+edb.padstacks.place([45e-3, -5e-3], "MyVia")
+```
+
+
+## Geometry Plot
+
+```{code-cell} ipython3
+edb.nets.plot(None, color_by_net=True)
+```
+
+
+## Stackup Plot
+
+```{code-cell} ipython3
+edb.stackup.plot(plot_definitions="MyVia")
+```
+
+
+## Save and close EDB
+
+```{code-cell} ipython3
+if edb:
+    edb.save_edb()
+    edb.close_edb()
+print("EDB saved correctly to {}. You can import in AEDT.".format(aedb_path))
+end = time.time() - start
+print(end)
+```